Hard Drive Disaster Toolkit is comrpised of 4 applications for data maintainence. File Analyzer, File Diff, File Backup, and File Sync. File Analyzer: Analyze and report on all of the files and folders on your hard drive. Find your memory hogs. The report can be loaded into any spreadsheet application for sorting and data mining.File Diff: Compare any two folders and thier sub-folders. Outputs a nice report showing each difference and where the difference occurs. File Back-Up: Create a back-up of all your files. Complete with a report showing which files were backed up. File Sync: Back-Up files in two directions. Make two folders have exactly the same contents. Complete with a report showing which files were sync to which folders.